Questions and Answers
What are alkali earth metals?
What are alkali metals?
The chemical elements found in Group 1 of the periodic table
What are halogens?
A group in the periodic table consisting of five chemically related elements
What are metalloids?
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What are metals?
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What are noble gases?
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What are nonmetals?
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What are actinides?
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What are lanthanides?
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Study Notes
Group Names of the Periodic Table
- Alkali Earth Metals: Consist of six elements located in Group 2, known for their reactivity and occurrence in nature as compounds.
- Alkali Metals: Found in Group 1, these elements are highly reactive, especially with water, and include lithium, sodium, and potassium.
- Halogens: Comprise five reactive non-metals located in Group 17, which include fluorine, chlorine, bromine, iodine, and astatine, known for forming salts with metals.
Categories of Elements
- Metalloids: Elements exhibiting mixed properties of metals and nonmetals, typically semiconductors of electricity, such as silicon and germanium.
- Metals: Typically hard and shiny materials, characterized by good electrical and heat conductivity; they are malleable and ductile.
- Noble Gases: A group of seven inert gases found in Group 18 that are characterized by their lack of chemical reactivity under standard conditions, including helium and neon.
- Nonmetals: Elements that are generally poor conductors of heat and electricity, lacking metallic luster and properties.
Special Element Series
- Actinides: A series of 15 radioactive elements from actinium to lawrencium, typically found in the f-block of the periodic table, showing both metal properties and significant radioactivity.
- Lanthanides: A set of 15 metallic elements ranging from lanthanum to lutetium, known for similar properties, particularly high magnetic susceptibility and catalytic activity.
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Test your knowledge of the chemical elements in the Periodic Table with these flashcards focused on group names. Each card defines a specific group, offering insights into their properties and classifications. Perfect for students looking to reinforce their understanding of chemistry.